99% 4-Hydroxycinnamic Acid CAS No 501-98-4

Item	Standard	Test Results
Identification	A.H-NMR:Comply with the structure	Complies
B.LC-MS:Comply with the structure	Complies
C.The IR spectrum of sample should be identical with that of reference standard.	Complies
D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.

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